package cn.tedu.v2_3;

import java.io.*;
import java.net.ConnectException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

/**
 *       练习：1.Client 添加 IP功能
 *            2.Server 关闭通讯、代码简洁，写Client
 *
 *
 *
 *
 */
public class Client {
    private Socket socket;
    public Client() {
        try {
            socket=new Socket("192.168.45.180",4545);
        }catch(NullPointerException e) {
            System.out.println("友情提示：IP传入错误导致链接失败~");
        }catch(UnknownHostException e){
            System.out.println("友情提示：IP传入错误");
        }catch(ConnectException e){
            System.out.println("客户端链接失败：0建议检查IP或者端口号");
        }catch (IOException e) {
            System.out.println("客户端链接服务器失败，提示：检查IP/端口");
        }
    }
    public void start() {
        PrintWriter pw = null;
        try {
    pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(),"UTF8")),true);

            System.out.println("对服务器端说话:");
            Scanner input = new Scanner(System.in);
            String line = null;
            while (true) {
                pw.println(input.nextLine());
                System.out.println("写出成功~");
            }
        }catch (UnsupportedEncodingException e){
            System.out.println("客户端/服务器端编码集有问题！");
        }catch (IOException e){
            System.out.println("客户端链接服务器端：IO流操作出现错误！");
        }finally{
            if(pw!= null)
                pw.close();
            if(socket!=null&&!socket.isClosed())
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println("通讯关闭失败");
                }
        }
    }
    public static void main(String[] args){
        Client client=new Client();
        client.start();
    }

}
